InfoQ Homepage TDD Content on InfoQ
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Solving Sudoku with TDD
A small debate recently flared up on the merits - or lack thereof - of test-driven development. Following Ron Jeffries' attempts to create a Sudoku solver, the community explores some of the difficulties and misconceptions associated with TDD.
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Archeology: Testing Sacred Text Found
Alberto Savoia has uncovered an ancient treasure: "The Way of Testivus - Unit Testing Wisdom From An Ancient Software Start-up," which turned out to be some good advice on developer and unit testing, packaged as twelve fake, pretentious, and somewhat cryptic bits of ancient Eastern wisdom - but good for a laugh.
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InfoQ Interview: Dave Astels and Steven Baker on RSpec and BDD
InfoQ interviews Dave Astels and Steven Baker, two of the authors of the successful Rspec framework about enabling Behavior-Driven Development in Ruby, and the implications of moving from a test-centric point of view to one that is more specification-driven.
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GreenPepper aims to Improve Collaborative Testing
Pyxis Technologies officially launched their testing product GreenPepper last July, at Agile2006. Expanding on the kind of features offered by FitNesse, it is a platform intended to improve collaboration between business experts and software developers. Now, having taken the time to respond to feedback, Pyxis is offering a more complete product with the GreenPepper 1.1 Release.
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Test-Driven Database Development with DbFit
Gojko Adzic has released DbFit, an extension of the Fit testing framework enabling test-driven development against Oracle databases.
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Tutorial: TDD with Selenium and Castle
Dan Bunea shows how TDD can be applied in .NET using Selenium RC and Castle. Test first principals provide architects a way to quickly jump into active development early in the application development lifecycle. The benefits of TDD are a drastic reduction in defects as well as increased flexibility in the code base since the application evolves quickly through an iterative process.
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Case Study: Developing a Custom Agile Practice Adoption Strategy
Teams can get sidetracked by process when implementing Agile: they spin, trying to figure out which practices to start with, unsure which will have the biggest impact, or how they fit together. In their InfoQ case study, Amr Elssamadisy and John Mufarrige develop a customized adoption approach to help a team decide where to focus first - an alternative to adoption of pre-packaged methodologies.
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Interview: Ryan Davis a.k.a. Zenspider
Ryan Davis, a.k.a. "Zenspider", is arguably one of the most influential Rubyists in the community. He is the author of a number of valuable open-source tools, including RubyInline and ZenTest. In this exclusive InfoQ interview, Ryan gives us a glimpse into how he has been pushing the envelope of what's possible with the Ruby language and runtime since 2000.
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Heckle Your Way to Better Tests
Like Jester, the Java program that inspired it, Heckle mutates your Ruby code, attempting to make your unit tests fail. The premise is simple: If your unit test doesn't choke on Heckle's mutated code, then you need to improve coverage.
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Getting Agile with MS VSTS for Database Professionals
Last month, Microsoft released Visual Studio for Database Professionals, one of the first toolsets offered to help teams extend Agile practices to the DBA community. We tracked down some information to help teams and DBAs get started with VSTS for DB Pros.
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InfoQ Interview: Ron Jeffries on Running, Tested Features
At Agile2006, Ron Jeffries told InfoQ that tracking "Running Tested Features" is the essential element of Agility, from which all other practices and activities necessarily follow. Ron who took to the whiteboard to explain how RTF benefits customers, by helping helps teams deliver consistently and reliably.
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MS VSTS for Database Pros Set to Enhance DBA Agility
Scott Ambler has been writing about "Agile Database" practices since 2002, but the array of supporting tools has been rather skimpy. Now, integrated "Agile DBA" tools are starting to appear. Case in point: Microsoft's Visual Studio Team System (VSTS) for Database Professionals, set for release at the end of this month, which supports TDD practices against the database.
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Mind Maps Foster Thorough Test Design
In Better Software magazine, Robert Sabourin's article "X Marks the Test Case: Using Mind Maps for Software Design" shows how the practice of Mind Mapping helps with test design. The author says: "If you've run through the standard design approaches and still need that killer test case, try mind maps." And he goes on to suggest how to get started.
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Sharing What's Worked: Patterns for Adopting Agile Practices
Organizations adopting Agile naturally ask these questions; "Where do I start?", "What specific practices should I adopt?", "How can I adopt incrementally?" and "Where can I expect pitfalls?" In this article, Amr Elssamadisy gives a glimpse into an ongoing effort to document Agile practice adoption patterns: Participants at XPday Montreal took a stab at "Simple Design" and "Pair Programming."
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TestDriven.NET 2.0 released
TestDriven.NET 2.0 was released last week. TestDriven.NET 2.0 supports the TDD framework and supports all version of Visual Studio .NET. TestDriven.NET is a Visual Studio plug-in providing support for Nunit, MBUnit, and Visual Studio Team System.